Premium Quality Guarantee
WILCO PRIME supplies high-purity Sodium Metabisulphite that meets international industrial and food-grade standards. Our products are tested for quality and consistency, ensuring reliability across various applications.
Sodium Metabisulphite Industrial Grade
Key Specifications
- Purity: ≥97% (Industrial Grade)
- Appearance: White to slightly yellowish crystalline powder
- Odor: Slight sulfur dioxide odor
- Solubility: Soluble in water (65.3 g/100 mL at 20°C)
- pH (5% Solution): 4.0-4.8
- Moisture: ≤0.5%
- Heavy Metals: ≤10 ppm (as Pb)
- Packaging: 1kg, 5kg, 25kg (Custom options available)
Product Description
Sodium Metabisulphite (Na₂S₂O₅) from WILCO PRIME is a high-purity, industrial-grade compound widely used as a preservative, antioxidant, and reducing agent. It is effective in food processing, water treatment, and various industrial applications.
Industrial Applications
Our Sodium Metabisulphite is ideal for food preservation, water disinfection, textile bleaching, and chemical synthesis, offering reliable performance across industries.
Technical Specifications
| Chemical Name | Sodium Metabisulphite |
|---|---|
| CAS Number | 7681-57-4 |
| Molecular Formula | Na₂S₂O₅ |
| Molecular Weight | 190.11 g/mol |
| Appearance | White to slightly yellowish crystalline powder |
| Odor | Slight sulfur dioxide odor |
| Purity | ≥97% |
| Solubility | Soluble in water (65.3 g/100 mL at 20°C) |
| pH (5% Solution) | 4.0-4.8 |
| Melting Point | Decomposes above 150°C |
| Moisture | ≤0.5% |
| Heavy Metals (as Pb) | ≤10 ppm |
Industry Applications
- Food Industry: Preservative and antioxidant (E223)
- Water Treatment: Removes chlorine and oxygen from water
- Textile Industry: Bleaching agent for fabrics
- Chemical Synthesis: Reducing agent in reactions
- Photography: Developer solution component
- Mining: Used in ore flotation processes
Safety & Handling Information
- Recommended Usage: Use as directed for specific applications
- Storage: Store in a cool, dry, well-ventilated area away from oxidizing agents
- Handling: Avoid inhalation of dust and contact with skin/eyes
- Incompatibilities: Strong oxidizers, acids
- PPE: Wear gloves, goggles, and protective clothing
- First Aid: Rinse with water if exposed; seek medical attention if irritation persists
- Disposal: Dispose per local regulations
For complete safety information, refer to the Material Safety Data Sheet (MSDS).
Packaging Options
| Quantity | Container | Part Number | Grade |
|---|---|---|---|
| 1 kg | HDPE bag | WIL-SMBS-1000 | Industrial Grade |
| 5 kg | HDPE drum | WIL-SMBS-5000 | Industrial Grade |
| 25 kg | PP woven sack | WIL-SMBS-25000 | Industrial Grade |
| Custom | Bulk packaging available | Contact us | Industrial Grade |
Storage & Stability
Store in airtight containers in a cool, dry area away from moisture and incompatible substances. Stable under recommended conditions with a shelf life of 2 years when properly stored. Avoid exposure to air to prevent decomposition.
Regulatory Compliance
WILCO PRIME Sodium Metabisulphite complies with international industrial and food-grade standards (where applicable). Handle according to local safety and chemical regulations.
